diff --git a/HISTORY.md b/HISTORY.md
index 5c79b7f8494..1a14e883b90 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -3,7 +3,7 @@
 
 ### main branch
 
-- Keep your prompt cache from expiring with `--cache-keepalive-pings`.
+- [Keep your prompt cache from expiring](https://aider.chat/docs/usage/caching.html#preventing-cache-expiration) with `--cache-keepalive-pings`.
   - Pings the API every 5min to keep the cache warm.
 - You can now bulk accept/reject a series of add url and run shell confirmations.
 - Improved matching of filenames from S/R blocks with files in chat.
diff --git a/aider/website/HISTORY.md b/aider/website/HISTORY.md
index d730b1af08d..fea0819d4ec 100644
--- a/aider/website/HISTORY.md
+++ b/aider/website/HISTORY.md
@@ -18,7 +18,7 @@ cog.out(text)
 
 ### main branch
 
-- Keep your prompt cache from expiring with `--cache-keepalive-pings`.
+- [Keep your prompt cache from expiring](https://aider.chat/docs/usage/caching.html#preventing-cache-expiration) with `--cache-keepalive-pings`.
   - Pings the API every 5min to keep the cache warm.
 - You can now bulk accept/reject a series of add url and run shell confirmations.
 - Improved matching of filenames from S/R blocks with files in chat.